<template>
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>

          <!-- 如果userInfo中没有数据显示 -->
          <p v-if="!userInfo">
            <span>请</span>
            <router-link to="/login">登录</router-link>
            <router-link to="/register" class="register">免费注册</router-link>
          </p>
          <!-- 如果userInfo中有数据显示 -->
          <p v-else>
            <span>欢迎</span>
            <!-- 用户名 -->
            <span>{{userInfo.name}}</span>
            <span style="cursor:pointer" @click="userLogout">| 退出登录</span>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center/myorder">我的订单</router-link>
          <router-link to="/shopcart">我的购物车</router-link>
          <a href="###">我的尚品汇</a>
          <a href="###">尚品汇会员</a>
          <a href="###">企业采购</a>
          <a href="###">关注尚品汇</a>
          <a href="###">合作招商</a>
          <a href="###">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <a class="logo" title="尚品汇" href="###" target="_blank">
          <img src="./images/logo.png" alt="" />
        </a>
      </h1>
      <div class="searchArea">
        <form action="###" class="searchForm">
          <input type="text" id="autocomplete" v-model="keyword" class="input-error input-xxlarge" />
          <button class="sui-btn btn-xlarge btn-danger" type="button" @click="getSearch">搜索</button>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
export default {
  computed:{
    // 获取仓库中的用户信息
    userInfo(){
      return this.$store.state.user.userInfo
    }
  },
  data() {
    return {
      keyword: '',
    }
  },
  methods: {
    async userLogout(){
      try {
       await this.$store.dispatch('userLogout')
       this.$router.push('/login')
      } catch (error) {
        alert(error)  
      }
    },
    getSearch() {
      //query中有参数没有参数都会执行，空对象会转为true
      if (this.$route.query) {
        let location = {
          //跳转的路由
          name: 'search',
          //params参数
          params: { keyword: this.keyword || undefined },
        }
        //添加query参数
        location.query = this.$route.query
        //跳转路由
        this.$router.push(location)
      }
    },
  },
  mounted(){
    console.log(this.userInfo)
    
    //绑定全局事件
    this.$bus.$on('updateValue',()=>{
      this.keyword = ""
    })
  }
}
</script>

<style lang="less" scoped>
.header {
  & > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          & + a {
            border-left: 1px solid #b3aeae;
          }
        }
      }
    }
  }

  & > .bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>
